Farandulitas is a clever and modern slang word. It's the diminutive form of farándula, which means "show business" or the celebrity world.
The -ita ending literally means "little," but here it's used with a slightly mocking tone to diminish someone's importance. In the song, Peso Pluma uses it to describe Instagram influencers who he feels act like A-list celebrities but aren't.
In "Dopamina," Mexican artist Peso Pluma teams up with Tito Double P for an energetic corrido tumbado about reckless late nights, extreme wealth, and fast living. Right from the start, the track is pure adrenaline: Peso Pluma describes drinking from a red plastic party cup ("Vaso rojo, loquerón" [Red cup, crazy party]) and feeling the chemical rush of substances taking over his system. From there, his attention turns to designer gear and beautiful women from all over the world who spike his brain's dopamine levels: "Rusas, chinas o latinas que dominan mi atención" [Russian, Chinese, or Latina women who command my attention].
The rest of the track reads like an uncensored travel diary of high-rolling debauchery. He rides around in a heavily tinted Jeep with famous actresses, hiding under a hood like an Arab royal and never checking price tags because he pays whatever they ask ("¿Qué cuánto costó? Ya no pregunto / Lo que pidan yo lo pago" [How much did it cost? I don't ask anymore / Whatever they ask, I pay]). Between partying in New York, flying from Rome to Dublin, and hearing French girls say "oui, oui" to him in Paris, he decks himself out in high-end jewelry like Van Cleef four-leaf clover motifs ("Tréboles de Van Cleef") and a diamond-encrusted Richard Mille watch. Along with the luxury, he keeps his crew close and heavily armed, making it clear that behind the flash and world travel, he still rolls with street-level muscle ("Todos bien fajados" [All strapped with guns]).